Update app.py

app.py

@@ -136,13 +136,13 @@ col1, col2, col3, col4 = st.columns(4)
 with col1:
     url = st.text_input('Enter PDF URL here')
 with col2:
-    question = st.text_input('Enter your question here')
+    question = st.text_input('Question')
 with col3:
-    answer = st.text_area('The answer to your question is :', value='', height=80)
+    answer_placeholder = st.empty()
 with col4:
     if st.button('Submit'):
         if openAI_key.strip()=='':
-            st.error('Please enter you Open AI Key. Get your key here : https://platform.openai.com/account/api-keys')
+            st.error('Please enter you Open AI Key')
         elif url.strip() == '':
             st.error('URL field is empty')
         elif question.strip() == '':
@@ -153,5 +153,4 @@ with col4:
             load_recommender('corpus.pdf')
 
             answer = generate_answer(question,openAI_key)
-            # Update the answer text area
-            col3.text_area('The answer to your question is :', value=answer, height=200)
+            answer_placeholder.text_area('The answer to your question is :', value=answer, height=200)